feat(server): add copilot embedding feature (#12590)

fix AI-154

packages/common/graphql/src/schema.ts

@@ -2169,6 +2169,7 @@ export enum ServerDeploymentType {
 export enum ServerFeature {
   Captcha = 'Captcha',
   Copilot = 'Copilot',
+  CopilotEmbedding = 'CopilotEmbedding',
   Indexer = 'Indexer',
   OAuth = 'OAuth',
   Payment = 'Payment',